lint: stricter type checking

.luarc.json

@@ -0,0 +1,9 @@
+{
+  "runtime": {
+    "version": "LuaJIT",
+    "pathStrict": true
+  },
+  "type": {
+    "checkTableShape": true
+  }
+}

lua/oil/adapters/files.lua

@@ -34,6 +34,9 @@ local function read_link_data(path, cb)
   )
 end
 
+---@class (exact) oil.FilesAdapter: oil.Adapter
+---@field to_short_os_path fun(path: string, entry_type: nil|oil.EntryType): string
+
 ---@param path string
 ---@param entry_type nil|oil.EntryType
 ---@return string
@@ -284,6 +287,7 @@ end
 ---@param column_defs string[]
 ---@param cb fun(err?: string, entries?: oil.InternalEntry[], fetch_more?: fun())
 local function list_windows_drives(url, column_defs, cb)
+  ---@cast M oil.FilesAdapter
   local fetch_meta = columns.get_metadata_fetcher(M, column_defs)
   local stdout = ""
   local jid = vim.fn.jobstart({ "wmic", "logicaldisk", "get", "name" }, {
@@ -341,6 +345,7 @@ M.list = function(url, column_defs, cb)
     return list_windows_drives(url, column_defs, cb)
   end
   local dir = fs.posix_to_os_path(path)
+  ---@cast M oil.Adapter
   local fetch_meta = columns.get_metadata_fetcher(M, column_defs)
 
   ---@diagnostic disable-next-line: param-type-mismatch, discard-returns

lua/oil/adapters/ssh.lua

@@ -50,6 +50,7 @@ M.parse_url = function(oil_url)
     error(string.format("Malformed SSH url: %s", oil_url))
   end
 
+  ---@cast ret oil.sshUrl
   return ret
 end
 
@@ -440,6 +441,7 @@ M.goto_file = function()
   url.path = vim.fs.dirname(fullpath)
   local parurl = url_to_str(url)
 
+  ---@cast M oil.Adapter
   util.adapter_list_all(M, parurl, {}, function(err, entries)
     if err then
       vim.notify(string.format("Error finding file '%s': %s", fname, err), vim.log.levels.ERROR)

lua/oil/adapters/ssh/connection.lua

@@ -176,6 +176,7 @@ function SSHConnection.new(url)
     end
   end)
 
+  ---@cast self oil.sshConnection
   return self
 end
 

lua/oil/adapters/ssh/sshfs.lua

@@ -70,6 +70,7 @@ end
 ---@param url oil.sshUrl
 ---@return oil.sshFs
 function SSHFS.new(url)
+  ---@type oil.sshFs
   return setmetatable({
     conn = SSHConnection.new(url),
   }, {

lua/oil/adapters/trash/freedesktop.lua

@@ -210,6 +210,7 @@ local function read_trash_info(info_file, cb)
               cb(".trashinfo file points to non-existant file")
             else
               trash_info.stat = trash_stat
+              ---@cast trash_info oil.TrashInfo
               cb(nil, trash_info)
             end
           end)

lua/oil/adapters/trash/windows/powershell-connection.lua

@@ -22,6 +22,7 @@ function PowershellConnection.new(init_command)
 
   self:_init(init_command)
 
+  ---@type oil.PowershellConnection
   return self
 end
 

lua/oil/layout.lua

@@ -98,7 +98,7 @@ M.calculate_height = function(desired_height, opts)
   )
 end
 
----@class (exact) conform.WinLayout
+---@class (exact) oil.WinLayout
 ---@field width integer
 ---@field height integer
 ---@field row integer
@@ -139,14 +139,15 @@ end
 ---@param winid integer
 ---@param direction "above"|"below"|"left"|"right"|"auto"
 ---@param gap integer
----@return conform.WinLayout root_dim New dimensions of the original window
+---@return oil.WinLayout root_dim New dimensions of the original window
----@return conform.WinLayout new_dim New dimensions of the new window
+---@return oil.WinLayout new_dim New dimensions of the new window
 M.split_window = function(winid, direction, gap)
   if direction == "auto" then
     direction = vim.o.splitright and "right" or "left"
   end
 
   local float_config = vim.api.nvim_win_get_config(winid)
+  ---@type oil.WinLayout
   local dim_root = {
     width = float_config.width,
     height = float_config.height,

lua/oil/mutator/trie.lua

@@ -7,6 +7,7 @@ local Trie = {}
 
 ---@return oil.Trie
 Trie.new = function()
+  ---@type oil.Trie
   return setmetatable({
     root = { values = {}, children = {} },
   }, {